In article >,
"Dimitri" > wrote:

> Caller "Hello, may I speak with Mr./Mrs. X"
> You " Do you have the Personal Password?
> Caller " What Password?"
> You "The Password Necessary to speak with Mr./Mrs. X"
> Caller "No but Can I speak with Mr./Mrs. X"
> You "I'm sorry I am their Personal assistant and without the proper
> password I can't put your call through"
> You "Good By and thanks for calling"
>
> Works every time.
>
> :-)

Even better is to ignore such phone calls by never picking up the phone.
Caller-ID helps tremendously with that.